Mitsubishi Outlander (2003+). Manual — part 403

IGNITION SWITCH

CHASSIS ELECTRICAL

54A-7

IGNITION SWITCH

SPECIAL TOOLS

M1543000601845

Tool

Number

Name

Use

MB990784

Ornament remover

Removal of column cover

MB991502

MUT-II sub
assembly

•

Immobilizer system check

•

Encrypted code
registration

MB991958

A: MB991824
B: MB991827
C: MB991910
D: MB991911
E: MB991825
F: MB991826

MUT-III sub
assembly

A: Vehicle

communication
interface (V.C.I.)

B: MUT-III USB

cable

C: MUT-III main

harness A
(Vehicles with
CAN
communication
system)

D: MUT-III main

harness B
(Vehicles without
CAN
communication
system)

E:MUT-III

measurement
adapter harness

F: MUT-III trigger

harness

•

Immobilizer system check

•

Encrypted code
registration

CAUTION

MUT-III main harness B
(MB991911) should be used.
MUT-III main harness A and
C should not be used for
this vehicle.

MB990784

B991502

MB991910

MB991826

MB991955

MB991911

MB991824

MB991827

MB991825

A

B

C

D

E

F

DO NOT USED

IGNITION SWITCH

CHASSIS ELECTRICAL

54A-8

INTRODUCTION

M1543009901360

IGNITION KEY REMINDER BUZZER

The ignition key reminder buzzer will sound under
the following condition, and warn the driver to
remove the ignition key.

•

The driver's door is opened when the ignition
switch is at "LOCK" (OFF) or "ACC" position
without removing the ignition key.

However, the lamp reminder buzzer will take
precedence over this function.

DOOR LOCK PREVENTION FUNCTION

If the key is left in the ignition switch while the driver’s
door opened or the assistant door opened, all door
are automatically unlock to prevent locking the
ignition key in the vehicle after door is locked.

IMMOBILIZER SYSTEM

The immobilizer system consists of the ignition key,
the immobilizer-ECU with key ring antenna, and the
engine-ECU <M/T> or engine-A/T-ECU <A/T>. The
ignition key has a built-in transponder. Only the
registered ignition key permits the engine to start,
therefore, the engine can never be started by means
of a forged key or by connecting the ignition wiring
directly. The system is significantly safe and reliable
against theft. In addition, the driver has only to turn
the ignition switch to the "ON" position to activate the

immobilizer system. If the requirements for starting
the engine are not satisfied, the engine will be
immobilized. If a registered ignition key is lost, all
your ignition keys need to be registered again using
MUT-II/III to ensure security (Refer to

P.54A-24

). An

additional ignition key can be registered as follows
(only if no ignition keys are lost):

•

Using MUT-II/III (Refer to

P.54A-24

).

OPERATION
1. When the ignition switch is turned to "ON"

position, the engine-ECU <M/T> or
engine-A/T-ECU <A/T> sends a requirement for
the encrypted code to the immobilizer-ECU (at
this time, the engine is remobilized).

2. When the immobilizer-ECU receives the

requirement from the engine-ECU <M/T> or
engine-A/T-ECU <A/T>, the immobilizer-ECU
supplies power to the transponder inside the
ignition key via the antenna. The energized
transponder sends the encrypted code back to the
immobilizer-ECU via the antenna.

3. The immobilizer-ECU judges the encrypted code

with its code logic in itself. If they are identical, the
immobilizer-ECU sends the encrypted code to the
engine-ECU <M/T> or engine-A/T-ECU <A/T>.

4. If the engine-ECU <M/T> or engine-A/T-ECU

<A/T> can not receive the encrypted code, the
engine will be immobilized.

MB991223
A: MB991219
B: MB991220
C: MB991221
D: MB991222

Harness set
A: Test harness
B: LED harness
C: LED harness

adapter

D: Probe

Making voltage and
resistance measurements
during troubleshooting

A: Connect pin contact

pressure inspection

B: Power circuit inspection
C: Power circuit inspection
D: Commercial tester

connection

Tool

Number

Name

Use

MB991223

A

B

C

D

AC

IGNITION SWITCH

CHASSIS ELECTRICAL

54A-9

TROUBLESHOOTING

IGNITION KEY REMINDER BUZZER AND
DOOR LOCK PREVENTION FUNCTION
DIAGNOSIS

M1543000701109

The ignition key reminder buzzers are controlled by
the Smart Wiring System (SWS). For
troubleshooting, refer to respective Groups below.

•

Not using SWS monitor: GROUP 54B, SWS
Troubleshooting

P.54B-41

.

•

Using SWS monitor: GROUP 54C, SWS
Troubleshooting

P.54C-25

.

IMMOBILIZER SYSTEM DIAGNOSIS

DIAGNOSIS CODE CHART

M1543007100462

CAUTION

During diagnosis, a diagnosis code associated
with other system may be set when the ignition
switch is turned on with connector(s)
disconnected. On completion, confirm all
systems for diagnosis code code(s). If diagnosis
code code(s) are set, erase them all.
Use the following chart to develop proper diagnostic
strategy.

AC206892

Immobilizer-ECU
with an antenna

Power
(Wireress)

Encrypted code

(Wireless)

Ignition key

Steering lock

Control signal

MUT-II/III

Memory

Engine-ECU <M/T> or
engine-A/T-ECU <A/T>

AE

Encrypted
code

CPU

CPU

Transponder

Injector

Ignition

Diagnosis code No. Diagnosis item

Reference page

11

Transponder communication system or radio interference
of encrypted code

P.54A-10

.

12

Encrypted codes are not the same or are not registered

P.54A-11

.

IGNITION SWITCH

CHASSIS ELECTRICAL

54A-10

DIAGNOSTIC TROUBLE CODE
PROCEDURES

Code No.11: Transponder Communication System or Radio Interference of Encrypted Code

DIAGNOSIS CODE SET CONDITION

•

Diagnosis code No.11 may be output if other
ignition keys are in the vicinity of the vehicle as it
is being started.

•

The transponder’s encrypted code is not sent to
the immobilizer-ECU immediately after the
ignition switch is turned to "ON" position.

NOTE: Diagnosis code No.11 is always output
together with MPI system diagnosis code No.P1610.

TROUBLESHOOTING HINTS

•

Radio interference of the encrypted code

•

Malfunction of the transponder

•

Malfunction of the immobilizer-ECU.

DIAGNOSIS PROCEDURE

STEP 1. Check for presence of other key near the
key in the ignition.

Q: Is there any other key near the key in the ignition?

YES :

Move the other key well away from key

being used. Retest the system.

NO :

Go to Step 2.

STEP 2. Check that the engine start using the
spare ignition key which encrypted code has
been registered.

Q: Does the engine start using the spare ignition key

for which the encrypted code has been registered?

YES :

Replace the ignition key that does not work.

Then register the password (secret code)
and encrypted code

P.54A-24

. Retest the

system.

NO :

Go to Step 3.

STEP 3. Check the MUT-II/III diagnosis code.

Q: Which diagnosis code is set, code No.11 or 12? the

encrypted code has been registered?

Code No.12 is set :

Refer to

P.54A-11

.

Code No.11 is set :

Go to Step 4.

IGNITION
KEY RING
ANTENNA

IMMOBILIZER-ECU

HIGH FREQUENCY
CIRCUIT

IGNITION KEY

TRANSPONDER

AC300911

C-304-1

AB

Ignition Key Ring and Immobilizer-ECU Circuit